Техническая Спецификация для Cisco Aironet 1140 AIR-AP1142N-S-K9
Модели
AIR-AP1142N-S-K9
Data Sheet
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
Page 3 of 6
Item
Specification
20-MHz Rate (Mbps)
40-MHz Rate (Mbps)
20-MHz Rate (Mbps)
40-MHz Rate (Mbps)
0
6.5
13.5
7.2
15
1
13
27
14.4
30
2
19.5
40.5
21.7
45
3
26
54
28.9
60
4
39
81
43.3
90
5
52
108
57.8
120
6
58.5
121.5
65
135
7
65
135
72.2
150
8
13
27
14.4
30
9
26
54
28.9
60
10
39
81
43.3
90
11
52
108
57.8
120
12
78
162
86.7
180
13
104
216
115.6
240
14
117
243
130
270
15
130
270
144.4
300
Frequency Band and 20-
MHz Operating Channels
MHz Operating Channels
A (Americas (FCC)):
●
2.412 to 2.462 GHz; 11 channels
●
5.180 to 5.320 GHz; 8 channels
●
5.500 to 5.700 GHz, 8 channels
(excludes 5.600 to 5.640 GHz)
●
5.745 to 5.825 GHz; 5 channels
C (China):
●
2.412 to 2.472 GHz; 13 channels
●
5.745 to 5.825 GHz; 5 channels
E (ETSI):
●
2.412 to 2.472 GHz; 13 channels
●
5.180 to 5.320 GHz; 8 channels
●
5.500 to 5.700 GHz, 11 channels
I (Middle East):
●
2.412 to 2.472 GHz, 13 channels
●
5.180 to 5.320 GHz; 8 channels
K (Korea):
●
2.412 to 2.472 GHz; 13 channels
●
5.180 to 5.320 GHz; 8 channels
●
5.500 to 5.620 GHz, 7 channels
●
5.745 to 5.805 GHz, 4 channels
N (Non-FCC):
●
2.412 to 2.462 GHz; 11 channels
●
5.180 to 5.320 GHz; 8 channels
●
5.745 to 5.825 GHz; 5 channels
P (Japan2):
●
2.412 to 2.472 GHz; 13 channels
●
5.180 to 5.320 GHz; 8 channels
S (Singapore):
●
2.412 to 2.472 GHz; 13 channels
●
5.180 to 5.320 GHz; 8 channels
●
5.745 to 5.825 GHz; 5 channels
T (Taiwan):
●
2.412 to 2.462 GHz; 11 channels
●
5.280 to 5.320 GHz; 3 channels
●
5.500 to 5.700 GHz, 11 channels
●
5.745 to 5.825 GHz; 5 channels
Note: This varies by regulatory domain. Refer to the product documentation for specific details for each regulatory domain.
Maximum Number of Non-
Overlapping Channels
Overlapping Channels
2.4 GHz
●
802.11b/g:
◦
20 MHz: 3
●
802.11n:
◦
20 MHz: 3
◦
40 MHz: 1
5 GHz
●
802.11a:
◦
20 MHz: 21
●
802.11n:
◦
20 MHz: 21
◦
40 MHz: 9
Note: This varies by regulatory domain. Refer to the product documentation for specific details for each regulatory domain.
3
GI: A Guard Interval (GI) between symbols helps receivers overcome the effects of multipath delays.